If you think of all the electronic information in the world as the world, and the small bit of info you seek as being buried somewhere beneath the crust, you have a general idea of how Mohomine extraction and classification technologies work. (The Moho Layer is that layer of dirt between the Earth's crust and its mantle, in case you were wondering.)

This technology employs advanced machine learning to help compile and integrate web content. Working with information retrieval and organization tools, it's a powerful means of finding content on the web. Sort of like a search engine on steroids.